228978968 has 16 divisors (see below), whose sum is σ = 432718080. Its totient is φ = 113587488.

The previous prime is 228978947. The next prime is 228979043. The reversal of 228978968 is 869879822.

228978968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111671 + ... + 113702.

It is an arithmetic number, because the mean of its divisors is an integer number (27044880).

Almost surely, 2^228978968 is an apocalyptic number.

It is an amenable number.

228978968 is a deficient number, since it is larger than the sum of its proper divisors (203739112).

228978968 is a wasteful number, since it uses less digits than its factorization.

228978968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225506 (or 225502 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 59.

The square root of 228978968 is about 15132.0510176248. The cubic root of 228978968 is about 611.7845867814.

The spelling of 228978968 in words is "two hundred twenty-eight million, nine hundred seventy-eight thousand, nine hundred sixty-eight".